Today when we speak of ecommerce, we usually think of the conventional, consumer-based online shopping sites. Little do we know that these B2C ecommerce sales are almost half of the B2B ecommerce sales! So, what exactly is covered under this beast called B2B ecommerce? B2C and B2B are two types of commercial transactions where B2B stands for business-to-business. B2C is a process for selling products directly to consumers while B2B involves selling products or services to other businesses. When the transactions are carried online, it takes the form of ecommerce. It is important for the businesses to implement the right system for their customers as B2B and B2C differ fundamentally in complexity, scope, scale and cost etc.